NF B51-355-1981 胶合板.冲击弯曲试验
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来源:标准资料网
【英文标准名称】:PLYWOOD.DYNAMICBENDINGTEST.
【原文标准名称】:胶合板.冲击弯曲试验
【标准号】:NFB51-355-1981
【标准状态】:作废
【国别】:法国
【发布日期】:1981-07
【实施或试行日期】:1981-06-29
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑用板;动态试验;板材;试样;机械试验;胶合板;弯曲试验;木制品;动力试验;施工材料
【英文主题词】:mechanicaltests;buildingboards;boards;mechanicaltesting;constructionmaterials;dynamictests;testspecimens;dynamictesting;bendtests;bendtesting;woodproducts;plywood
【摘要】:
【中国标准分类号】:B70
【国际标准分类号】:
【页数】:2P;A4
【正文语种】:其他
【英文标准名称】:Mathematicalexpressionsforreliability,availability,maintainabilityandmaintenancesupportterms
【原文标准名称】:可靠性、可用性、维修性和维修保障术语的数学表示
【标准号】:BSIEC61703-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-11-28
【实施或试行日期】:2001-11-28
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:维修;质量控制;可靠度;有效性;数学符号;数学;维修性;电气工程;数学计算;质量保证;术语
【英文主题词】:electricalengineering;definitions;definition;symbols;mathematics;vocabulary;maintainability;reliability;functions;arithmetical;maintenance;availability;arithmetic
【摘要】:ThisInternationalStandardprovidesmathematicalexpressionsforreliability,availability,maintainabilityandmaintenancesupportmeasuresdefinedinIEC60050-191.Thefollowingclassesofitemsareconsideredseparatelyinthisstandard:-non-repaireditems;-repaireditemswithzerotimetorestoration;-repaireditemswithnon-zerotimetorestoration.Inordertokeepthemathematicalformulaeassimpleaspossible,thefollowingbasicmathematicalmodelsareusedtoquantifydependabilitymeasures:-randomvariable(timetofailure)fornon-repaireditems;-simple(ordinary)renewalprocessforrepaireditemswithzerotimetorestoration;-simple(ordinary)alternatingrenewalprocessforrepaireditemswithnon-zerotimetorestoration.Tofacilitatelocationofthefulldefinition,theIEC60050-191referenceforeachtermisshown(inparenthesis)immediatelyfollowingeachterm,forexample:meantimetorestoration[191-13-08]Theapplicationofeachdependabilitymeasureisillustratedbymeansofasimpleexample.NOTEThisstandardismainlyapplicabletohardwaredependability,butmanytermsandtheirdefinitionsmaybeappliedtoitemscontainingsoftware.SomeofthesoftwaredependabilityaspectsareexplainedinannexD.
【中国标准分类号】:L06
【国际标准分类号】:03_120_30;29_020
【页数】:56P;A4
【正文语种】:英语
Product Code:SAE AMS4165
Title:Aluminum Alloy, Extrusions 4.4Cu - 1.5Mg - 0.60Mn (2024-T3511) Solution Heat Treated, Stress-Relieved by Stretching, and Straightened
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of extruded bars, rods, wire, profiles, and tubing.
